//
// Created by spiro on 19-3-5.
//
#include <stdio.h>
#define SIZE 5
void show_array(const double ar[], int n);
void mult_array(double ar[], int n, double mult);

int main(void) {
    double dip[SIZE] = {20.0, 17.66, 8.2, 15.3, 22.22};

    printf("The original dip array:\n");
    show_array(dip, SIZE);
    mult_array(dip, SIZE, 2.5);
    printf("The dip array after calling mult_array():\n");
    show_array(dip, SIZE);
    return 0;
}

void show_array(const double ar[], int n) {
    for (int i = 0; i < n; ++i) {
        printf("%8.3f", ar[i]);
    }
    putchar('\n');
}

void mult_array(double ar[], int n, double mult) {
    for (int i = 0; i < n; ++i) {
        ar[i] *= mult;
    }
}
